THE BLUETOOTH SPEAKER PORTABLE B&M DIARIES

For each new round of tests, I start off by comparing the new models with each other and with a few of our past picks. I evaluate the most output of each speaker indoors at a distance of one meter, utilizing an NTi Minilyzer audio analyzer and a calibrated NTi MiniSPL test microphone and playing a 34-second segment of ZZ Best’s quite loudly maste